Macro/投稿/249

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/*
* @file   outdentLines.js
* @brief  インデントを左に
* 
* ・VSCodeの Ctrl + [ と同等の動きになるよう作成
* 
*/
 
 
function getOpenMode(){
    return Editor.ExpandParameter("${R?r$:$:$}");
}
 
 
function getCursorLogicCoordinates() {
    var cursorLine = ExpandParameter('$y') - 0;
    var cursorColumn = ExpandParameter('$x') - 0;
    return [cursorLine, cursorColumn];
}
 
 
function getSelectLogicCoordinatesFrom() {
    var layoutSelectLineFrom = GetSelectLineFrom();
    var selectLineFrom = LayoutToLogicLineNum(layoutSelectLineFrom);
    var selectColumnFrom = LineColumnToIndex(layoutSelectLineFrom, GetSelectColumnFrom());
    return [selectLineFrom, selectColumnFrom];
}
 
 
function getSelectLogicCoordinatesTo() {
    var layoutSelectLineTo = GetSelectLineTo();
    var selectLineTo = LayoutToLogicLineNum(layoutSelectLineTo);
    var selectColumnTo = LineColumnToIndex(layoutSelectLineTo, GetSelectColumnTo());
    return [selectLineTo, selectColumnTo];
}
 
 
function isEqualArray(array1, array2) {
    var i = array1.length;
    if (i != array2.length) return false;
    while (i--) {
    if (array1[i] !== array2[i]) return false;
    }
    return true;
};
 
 
function keepSelect(cursor, selectFrom, selectTo) {
    if (isEqualArray(cursor, selectFrom)) {
        MoveCursor(selectTo[0], selectTo[1], 0);
    } else {
        MoveCursor(selectFrom[0], selectFrom[1], 0);
    }
    MoveCursor(cursor[0], cursor[1], 1);
}
 
 
function getLastLine() {
    goFileEnd();
    return ExpandParameter('$y') - 0;
}
 
 
function isLastLine(line) {
    return line == getLineCount(0) + 1;
}
 
 
function outdentLine(line) {
    if (isLastLine(line)) return false;
    moveCursor(line, 1, 0);
    goLineEnd(4);
    var col1 = expandParameter('$x') - 0;
    if (col1 == 1) return false;
    UnindentTab();
    Up();
    goLineEnd();
    var col2 = expandParameter('$x') - 0;
    return col2 < col1;
}
 
 
function outdentLines() {
    if (getOpenMode() == "r") return;
    var cursor = getCursorLogicCoordinates();
    CommitUndoBuffer(); AddRefUndoBuffer(); AppendUndoBufferCursor(); SetDrawSwitch(0);
    if (isTextSelected()) {
        var selectFrom = getSelectLogicCoordinatesFrom();
        var selectTo = getSelectLogicCoordinatesTo();
        var len = selectTo[0] - selectFrom[0] + 1;
        MoveCursor(selectFrom[0], 1, 0);
        var outdentLineHash = {};
        for (var i = 0; i < len; i++) {
            outdentLineHash[selectFrom[0] + i] = outdentLine(selectFrom[0] + i);
        }
        if (outdentLineHash[cursor[0]] && 1 < cursor[1]) cursor[1]--;
        if (outdentLineHash[selectFrom[0]] && 1 < selectFrom[1]) selectFrom[1]--;
        if (outdentLineHash[selectTo[0]] && 1 < selectTo[1]) selectTo[1]--;
        keepSelect(cursor, selectFrom, selectTo);
    } else {
        if (outdentLine(cursor[0]) && 1 < cursor[1]) cursor[1]--;
        MoveCursor(cursor[0], cursor[1], 0);
    }
    SetUndoBuffer(); SetDrawSwitch(1); ReDraw();
}
 
 
outdentLines();